| THE
COMPANY'S WORKS |
|
|
| WORKS
METHODS, PLANT AND
APPARATUS |
|
|
| MATERIALS AND FINISHES |
|
|
| TELEPHONE INSTRUMENTS
(Excluding Mines Types) |
|
|
| TELEPHONE SWITCHBOARDS
(Excluding Mines Types) |
|
|
| EQUIPMENT FOR MINING,
OIL & CHEMICAL INDUSTRIES |
|
|
| TELEPHONE EXCHANGES :- |
|
|
Private Automatic
Private
Automatic Branch
Private Branch
Public
Exchange Facilities,
Installation, Testing etc.
|
|
|
| TELEPHONE APPARATUS |
|
|
| TELEPHONE &
SIGNALLING SYSTEMS |
|
|
| TRANSMISSION EQUIPMENT |
|
|
| TOTALISATOR & REMOTE
CONTROL EQUIPMENT |
|
|
| ELECTRONICS |
|
|
| ELECTRONIC TUBES |
|
|
| MISCELLANEOUS SUBJECTS |
|
|
|
|
|
| THE
COMPANY'S WORKS |
No. |
Page |
| The Telephone Works, Beeston,
Nottingham |
1 |
3 |
| Visit of H. M. Postmaster General |
3 |
2 |
| The Telephone Works. Beeston,
Nottingham. |
3 |
3 |
| The Telephone Works, Beeston,
Nottingham |
5 |
3 |
| Jubilee Year |
7 |
3 |
| Palingenesis and our War Effort |
16 |
3 |
| Sunderland Factory |
17 |
36 |
| The Sunderland Branch Factory |
48 |
18 |
|
|
|
| WORKS METHODS, PLANT AND
APPARATUS |
No. |
Page |
| A New Impulse Ratio Tester |
2 |
36 |
| Transmission Testing |
3 |
30 |
| The Importance of Life Testing in
Telephone Engineering |
4 |
39 |
| Extreme Accuracy In Measurement |
6 |
34 |
| Testing of Private Auto Exchanges |
11 |
12 |
| Relay Lag Timers for Workshop Use |
13 |
3 |
| The Works Manufacturing Progress
System |
13 |
6 |
| New Projects |
13 |
12 |
| Packing for Export |
15 |
8 |
| Production and Application of Quartz
Crystal Plates |
16 |
20 |
| Pan-climatization of Telephone
Equipment |
18 |
2 |
| Inspection Without Gauges, By Optical
Projection Method |
18 |
9 |
| Modern Tooling Methods in Telephone
Production |
19 |
39 |
| Microscopy Applied to Production |
20 |
3 |
| Modern Metal Finishing Plant |
21 |
51 |
| Education and Training for the
Telephone Industry |
22 |
7 |
| Development of p.v.c. Insulated Wires
and Cables |
23 |
31 |
| Voice Ear Method of Testing Telephone
Instruments |
26 |
15 |
| Production Testing Bridge for
Resistors and Relay Coils |
26 |
23 |
| Supervisory Inspection |
27 |
55 |
| Spark Tester for p. v. c. - Insulated Wires |
31 |
32 |
| The Works’ ‘Paints Division’ |
32 |
15 |
| New Electronic Switching Laboratories |
37 |
85 |
| The Design & Manufacturing of
Cable forms in the Tele. Industry |
38 |
24 |
| The Production of Telecommunication
Equipment |
40 |
9 |
|
|
|
| MATERIALS AND FINISHES |
No. |
Page |
| Enamel and Lacquer Finishes in the
Telephone Industry |
1 |
11 |
| From Tree to Telephone |
5 |
4 |
| Chromium and Cadmium Plating |
8 |
34 |
| Stainless Steel in Telephone
Equipment |
8 |
46 |
| Pan-climatization of Telephone
Equipment |
18 |
2 |
| Microscopy Applied to Production |
20 |
3 |
| Modern Metal Finishing Plant |
21 |
51 |
| Timber in the Telephone Industry |
22 |
17 |
| Metallic Creep |
22 |
22 |
| Development of Plastic Insulated
Switchboard
Wires & Cables |
23 |
31 |
|
|
|
| TELEPHONE INSTRUMENTS
(EXCLUDING MINES TYPES) |
No. |
Page |
| Intercommunication Telephone System
(Metal Cased Sets) |
1 |
14 |
| Battery Call Railway Telephones
(N1150, N1170) |
2 |
44 |
| Loudspeaker Intercommunication
Telephones (N1725, N1745) |
3 |
14 |
| Bakelite Telephones
(N1010A) |
4 |
36 |
| Intercom. Telephones with Exchange
Facilities |
5 |
23 |
| New Bakelite Telephone (N1020, N1070) |
8 |
30 |
| Intermediate and Extension Telephones
(N1044B, N1045B) |
9 |
8 |
| Latest B.P.O. type Auto & C.B.
Table Telephones (N1002) |
11 |
3 |
| Auto.
CB. and LB. Telephones for Plan
Number Working |
12 |
31 |
| New Magneto Table Telephone (N2120) |
14 |
34 |
| Telephones for Railway Services
(N1181, N1200) |
17 |
40 |
| Intermediate and Extension Telephones
(N1046, N1049) |
17 |
44 |
| Improved Moulded Case Wall Telephones
(N107l, N2204) |
21 |
53 |
| New Intercommunication Telephones
(N1636, N1732) |
27 |
31 |
| New Table Telephones for Export
(N1014, N1373) |
27 |
44 |
| A Magneto Intermediate Telephone
(N2140A) |
30 |
15 |
| Improved Wall Telephones (N1073A) |
31 |
54 |
| Auto/C.B. Intermediate &
Extension Telephones (N1051/N1052) |
32 |
9 |
| Loudspeaker Intercom. Telephone
(N1747A) |
32 |
24 |
| Magneto General Service Telephones
(N2124/N2206) |
34 |
29 |
| The New Type 1000 Telephone
(N1025/N1096 etc.) |
35 |
44 |
| A Convertible Telephone (N2186A) |
36 |
37 |
| The ‘Etelphone’ |
38 |
5 |
| Mechanical Features of the Plan-Etelphone |
41 |
69 |
| Facilities of Plan-Etelphones |
42 |
2 |
| Preventing the Telephone from
Slipping |
43 |
75 |
| The ‘Keymaster’ - an improved 1
+ 5 House Exchange System |
44 |
2 |
| The ‘Etelux’ |
44 |
34 |
| ‘Multiphone’ |
48 |
3 |
| The 2 + 5 Keymaster |
49 |
43 |
| A Modern House Exchange |
50 |
2 |
| Pressetel |
52 |
28 |
|
|
|
| TELEPHONE
SWITCHBOARDS (Excluding Mines types) |
No. |
Page |
| Standard Private Manual Exchange
Switchboards |
10 |
27 |
| Steel Framed C. B. P. B. X.
Switchboard |
21 |
48 |
| New Cordless Switchboard |
35 |
34 |
| A Small Desk-top, Key-operated
P.M.B.X. Switchboard |
43 |
57 |
| A new series of Floor Pattern
Switchboards |
44 |
10 |
| 3 + 12 & 4 + 13 Lamp Signalling
Cordless P.M.B.X. Switchboards |
47 |
69 |
| A 5 + 20 Indicator Signalling
Cordless P.M.B.X. |
48 |
37 |
| A New Type of Portable Switchboard |
51 |
68 |
|
|
|
| EQUIPMENT FOR MINING.
OIL & CHEMICAL INDUSTRIES |
No. |
Page |
| Mining
Telephones, Switchboards and
Apparatus |
3 |
20 |
| New Magneto Mine Telephones
(N2974/2984/2504/2155B) |
8 |
42 |
| The (Magneto) Telephone Coupling Unit |
10 |
31 |
| Automatic Mines Telephone (N1087) |
10 |
43 |
| (Magneto) Telephone Coupling Unit for
Mine Circuits |
13 |
24 |
| Mine Rescue Telephone |
14 |
38 |
| The Code Ringing Delay Unit |
15 |
12 |
| Battery Mines Bell with Lamp Signal |
15 |
16 |
| Development in Safe Communication
Equipment |
20 |
11 |
| New Magneto Telephones Certified for
use in Coal Mines |
23 |
27 |
| Intrinsically Safe Remote Control
Unit |
27 |
53 |
| Certified Safe Telephone Coupling
Systems for Collieries etc. |
29 |
37 |
| Methods of Safe Communication in Gas
and Vapour Hazards |
29 |
47 |
| Flameproof Telephones & the
Development of a Table Model |
36 |
8 |
| Flameproof Distribution Box |
36 |
14 |
| Auto-Magneto Party Line Working in
Mines |
41 |
62 |
| Improved Telephone System at Duffryn
Rhondda Colliery |
46 |
32 |
| Contemporary Flameproof Telephones
(Wall Tele.) |
47 |
54 |
|
|
|
| TELEPHONE EXCHANGES |
|
|
| P.A.X. |
No. |
Page |
| Broadcasting House |
3 |
17 |
| Middlesex County Hospital. Shenley |
5 |
11 |
| Broadcasting House (Replacement P.A.X.) |
10 |
33 |
| Electrolux Ltd.. Telephone &
Staff Locator System |
11 |
9 |
|
|
|
| P.A.B.X. |
No. |
Page |
| South Africa House |
4 |
26 |
| P.A.B.X’s for New Zealand |
8 |
27 |
| Lennox Castle Mental Institution |
10 |
41 |
| Waverley Station, Edinburgh |
15 |
17 |
| P.A.B.X.
No. 3 |
31 |
37 |
| P.A.B.X. No. 3 Equipment for the B.B.C.
at Bush House |
34 |
24 |
| P.A.B.X. Type ET4 |
39 |
14 |
| A New 5 + 20 Subscriber Attended
P.A.B.X. |
40 |
3 |
| A New 10 + 50 Line P.A.B.X. |
41 |
40 |
| Multiphone |
48 |
3 |
| ET4H Cordless
P.A.B.X. for Hotels |
49 |
63 |
| A small
economic P.A.B.X |
52 |
33 |
|
|
|
| P.B.X. |
No. |
Page |
| Gleneagles Hotel, Scotland |
9 |
12 |
|
|
|
| PUBLIC EXCHANGES |
No. |
Page |
| Kuala Lumpur (F.M.S.) Automatic
Exchange |
1 |
7 |
| Hampstead Automatic Exchange, London |
1 |
20 |
| Liberty Automatic Exchange. London |
2 |
26 |
| Newcastle-on-Tyne Demand Trunk
Exchange |
3 |
4 |
| Central Automatic Exchange, London |
7 |
7 |
| Thornton Heath Automatic Exchange.
London |
12 |
50 |
| Ladbroke Automatic Exchange. London |
15 |
3 |
| Telephone Exchanges in Lancaster
House. Liverpool |
16 |
5 |
| Aintree Automatic Exchange |
19 |
42 |
| New Plymouth Exchange. New Zealand |
20 |
25 |
| Fun Flon, Canada, Automatic Exchange |
24 |
3 |
| Cardiff Trunk Telephone Exchange |
25 |
31 |
| Automatic Exchanges for Cable &
Wireless, Cyprus |
25 |
52 |
| Automatic Exchanges at Accra, Gold
Coast |
28 |
22 |
| 100th Telephone Installed at Stark
(Channel Islands) |
28 |
34 |
| Mombasa Automatic Exchange, E. Africa |
30 |
19 |
| Rouyn Noranda Auto Exchange, Canada |
34 |
8 |
| Auto Telephone Network. Grenada |
36 |
30 |
| Fleet Exchange and the Telex Service |
42 |
20 |
|
|
|
| EXCHANGE FACILITIES,
INSTALLATION, TESTING ETC |
No. |
Page |
| Voice Frequency Keysending |
6 |
39 |
| Telephone Traffic and Trunking |
8 |
37 |
| Power Distribution in Auto Exchanges |
9 |
17 |
| Installation of an Auto Exchange |
10 |
35 |
| Installation of House Exchange System |
11 |
15 |
| Reactor Controlled Battery Charging
Equipment |
14 |
44 |
| Group Selector Rack with Grading
Facilities |
17 |
26 |
| Gate Circuits for V.F. Switching |
18 |
20 |
| Inter-working between Step-by-Step
& Rotary Systems |
20 |
22 |
| New Supervisor’s Desk for Auto/Man.
Exchanges |
21 |
31 |
| Development of Step-by-Step Exchanges
for New Zealand |
21 |
35 |
| Phonogram & Telephone/Telegram
Automatic Distribution at Newcastle |
22 |
3 |
| Acceptance Testing of Automatic
Exchange |
23 |
50 |
| Modern Power Plant for Large Auto
Exchanges |
32 |
3 |
| Electronic Auto Telephone Exchanges |
35 |
53 |
| Line Connector Equipment |
36 |
40 |
| Simplified Power Cabling in Small
Exchanges |
37 |
87 |
| A Line Concentrator using Carrier |
44 |
28 |
| Telephone Dictation |
46 |
28 |
| A Telex Concentrator |
48 |
28 |
| Small Exchanges for STD |
49 |
48 |
| The Speech Inverter |
49 |
77 |
| A Power Supply System for Electronic
Exchanges |
50 |
10 |
| Pentex. A Small Electronic Exchange |
50A |
- |
|
|
|
| TELEPHONE APPARATUS |
No. |
Page |
| A new Impulse Ratio Tester |
2 |
36 |
| Discriminating Indicator |
3 |
9 |
| Mercury Contact Relays |
4 |
42 |
| Generator and Bell for Portable
Testing Sets |
4 |
44 |
| Moulded Switchboard Plugs |
4 |
46 |
| B.P.O. ‘3000’ Type Relay |
6 |
42 |
| The New B.P.O. Subscribers Meter |
6 |
47 |
| Vibratory Tone & Ringing
Generators for Small Exchanges |
6 |
50 |
| Battery Eliminators for Small Auto
Exchanges |
9 |
14 |
| An Improved Micro-Telephone Inset |
9 |
24 |
| Alnico Magnet Hand Generator |
12 |
46 |
| Alnico Magneto Heavy Duty Generator |
16 |
12 |
| Some Vibratory Mechanisms and their
applications |
17 |
32 |
| Development of the Microphone |
18 |
16 |
| An Automatic Announcer |
34 |
3 |
| Rotating Magnet Hand Generators |
34 |
16 |
| Lightning Protectors for Telephone
Lines |
37 |
50 |
| A Small Transistor Ringer for 6-volt
D.C. Operation |
38 |
21 |
| Ringing Generator Using Transistors |
40 |
25 |
| A Selector Bank Cleaner |
40 |
29 |
| Printing Recorder for use with
Observation Equipment |
41 |
53 |
| The Multiple Relay Unit |
41 |
57 |
| An Amplified Telephone Handset |
41 |
67 |
| A Three-Digit Electronic Director |
42 |
10 |
| Electromechanical Modulators |
44 |
24 |
| A Low-cost Time Announcer |
45 |
48 |
| The Type 12 Relay |
47 |
59 |
| Electronic Signal Generator for Telex
Exchanges |
47 |
73 |
| Miniature Relays |
48 |
11 |
| New Products and Developments |
50 |
29 |
| Glass-nylon Coil Formers |
51 |
53 |
|
|
|
| TELEPHONE &
SIGNALLING SYSTEMS |
No. |
Page |
| Hotel Telephone & Staff
Signalling System |
1 |
16 |
| Police Telephones & Signals - A
new System |
2 |
30 |
| Protected Telephone System for High
Voltage Transmission Routes |
2 |
48 |
| Planning of Police Communications |
3 |
10 |
| Police Progress at Edinburgh |
3 |
12 |
| Police Telephone System - Further
Developments |
6 |
31 |
| An Outline of the B.P.O. 200 - point
Linefinder System |
7 |
14 |
| Register Controlled P.A.X. |
7 |
20 |
| 22-Line P.A.X. |
9 |
3 |
| Unattended P.A.B.X. for 50 Extensions |
9 |
20 |
| B.P.O. Unit Auto Exchange U.A.X. 12 |
12 |
40 |
| B.P.O. Unit Auto Exchange U.A.X. 14 |
14 |
27 |
| 5 + 20 Subscriber Attended P.A.B.X. |
22 |
12 |
| The Telephone Transmitter |
25 |
48 |
| Rurax Auto Telephone System |
28 |
3 |
| P.A.B.X. No. 3 |
31 |
37 |
| V.F. Dialling System Type PC5 |
31 |
44 |
| An Extensible Cordless P.A.B.X. |
33 |
31 |
| Flood Warning System for N.Z.
Railways |
35 |
61 |
| Remote Signalling System for Ship
Refuelling |
36 |
23 |
| Rurax and its Expanding Field of
Application |
36 |
29 |
| Subscribers’ 50-point Linefinder
System |
37 |
65 |
| Rurax in the Sudan |
42 |
26 |
| The Minirax |
42 |
32 |
| Multiphone |
48 |
3 |
| A Telex Concentrator |
48 |
28 |
| Mobile Rurax |
48 |
34 |
| 2 + 5 Keymaster |
49 |
43 |
| Small Exchanges for STD |
49 |
48 |
| Minirax Mark II |
49 |
55 |
| V.F. Signalling & Dialling
Equipment VFS2 |
49 |
70 |
| A Modern House Exchange |
50 |
2 |
| Telex in Central Africa |
50 |
17 |
| Abu Dhabi Petroleum Co. Rurax Network |
50 |
27 |
| Pentex. A Small Electronic Exchange |
50A |
- |
|
|
|
| TRANSMISSION EQUIPMENT |
|
|
| CARRIER |
No. |
Page |
| Three-Channel Carrier System |
16 |
14 |
| Single-Channel Open Wire Music
Channel System |
18 |
12 |
| Monitoring Unit for Relayed Radio
Programmes |
19 |
45 |
| Single-Channel Carrier Telephone
Equipment |
21 |
43 |
| 18-Channel V.P. Telegraph System |
27 |
48 |
| Single-Channel Two-Tone Telegraph
System |
29 |
58 |
| S + DX V.F. Telegraph System FMT11 |
30 |
3 |
| Karachi-Sul V.H.F. Communication
System |
32 |
18 |
| Karachi-Sul V.H,F. Communication
Installation |
33 |
49 |
| Transistor Single-Channel Carrier
System ETL14 |
36 |
2 |
| 3-Channel Carrier Telephone System
for Open-Wire Lines |
37 |
54 |
| Transistor Multi-Channel Carrier
Equipment (Part 1) |
38 |
16 |
| Transistor Multi-Channel Carrier
Equipment (Part 2) |
39 |
34 |
| A Transistor Type S + DX Equipment |
40 |
32 |
| Rural Carrier 101 System for
Open-Wire Lines |
42 |
39 |
| Transistor Multi-Channel Translating
Carrier Equipment ETG. 121 |
45 |
66 |
| Frequency Generating Equipment for
Multiple Comm. ETFG. 601 |
46 |
2 |
| The Khartoum-Sennar Cable Scheme |
46 |
8 |
| Balanced Quad Transmission Systems in
Canada |
51 |
60 |
|
|
|
| RADIO |
No. |
Page |
| Monitoring Unit for Relayed Radio
Programmes |
19 |
45 |
| Radio Telephone Terminating Equipment |
20 |
15 |
| Multi-Channel V.H.F. Radio Telephone
Systems |
24 |
15 |
| Guernsey-Sark Radio Telephone Link |
26 |
11 |
| 6-Channel V.H.F. Radio Telephone
Links for N.Z. Civil Airways |
27 |
39 |
| Auto Subscriber Service over
Single-Channel Radio Links |
33 |
41 |
| An Echo Suppressor for the
Trans-Atlantic Cable |
37 |
81 |
| Single-Channel Radio Terminating
Units |
41 |
49 |
|
|
|
| MISCELLANEOUS |
No. |
Page |
| Syllabic Compandor Type CPR.12 |
43 |
50 |
| The Speech Inverter |
49 |
77 |
| V.F. Signalling & Dialling
Equipment VFS2 |
49 |
70 |
|
|
|
| TOTALISATOR & REMOTE
CONTROL EQUIPMENT |
No. |
Page |
| Greyhound Racecourse Totalisators |
2 |
38 |
| Electrically Controlled Numerical
Display Indicators |
5 |
16 |
| An Electric Time Indicator |
8 |
48 |
| The Controlled Pulse Unit |
10 |
39 |
| An Attendance Aggregator |
19 |
31 |
| Intrinsically Safe Remote Control
Unit |
27 |
53 |
| Remote Operating Equipment for a
Ripple Control System |
30 |
7 |
| A Centralized Supervisory &
Control System for Waterworks |
39 |
3 |
| A Remote Control and Supervisory
System |
43 |
63 |
| An Automatic Train Describer System |
47 |
42 |
| The Solar Switch |
47 |
64 |
|
|
|
| ELECTRONICS |
No. |
Page |
| A New Frequency Meter |
19 |
26 |
| Nucleonic Instrumentation |
28 |
17 |
| Air Speed-Record Electronic Timing |
33 |
45 |
| Applications of Add-On Counting
Equipment |
35 |
61 |
| A Catapult End-Speed Recorder |
37 |
74 |
| The ETL-NPL Automatic Polarimeter |
39 |
23 |
| Joint Electronic Exchange
Developments |
40 |
22 |
| A Three-Digit Electronic Director |
42 |
10 |
| Digital Data Transmission |
43 |
71 |
| A Power Supply System for Electronic
Exchanges |
50 |
10 |
| Pentex, A Small Electronic Exchange |
50A |
- |
| Electroluminescent Display Techniques
and Applications |
51 |
38 |
|
|
|
| ELECTRONIC TUBES |
No. |
Page |
| The Dekatron |
24 |
25 |
| The Single-Pulse Dekatron |
26 |
3 |
| Cold-Cathode Stabilizers |
29 |
55 |
| A New Cold-Cathode Trigger Tube
GTRI2OW |
36 |
18 |
| Trochotron High-Speed Beam Switching
Tubes |
45 |
54 |
| Cold-Cathode Display Tubes |
51 |
73 |
|
|
|
| MISCELLANEOUS SUBJECTS |
No. |
Page |
| Importance of Life Testing in
Telephone Engineering |
4 |
39 |
| Design of Pawl and Ratchet Selector
Drives |
15 |
20 |
| Time Recorders |
19 |
26 |
| Physical Phenomena of Contact
Operation (Part 1) |
19 |
34 |
| Physical Phenomena of Contact
Operation (Part 2) |
26 |
18 |
| Metallic Creep |
22 |
22 |
| Development of P.V.C. Insulated Wires and Cables |
23 |
31 |
| Birmingham Science Museum Exhibit |
25 |
43 |
| Physical Society Exhibition 1952 |
25 |
56 |
| Kingston-upon-Hull Telecoms
Exhibition |
30 |
26 |
| The 39th Physical Society Exhibition |
31 |
58 |
| Protection and Dust proofing of
Electrical Equipment |
44 |
16 |
| Electroluminescent Panels |
45 |
42 |
| Sliding Contacts in Automatic
Telephone Apparatus Two-motion Switches |
46 |
18 |
| An Electromagnetic Transducer
Tachometer |
50 |
21 |
| Industrial Design |
51 |
79 |
